1. Department of Gastroenterology and HepatologyErasmus MCUniversity Medical CenterRotterdamthe Netherlands
2. Department of BiostatisticsErasmus MCUniversity Medical CenterRotterdamthe Netherlands
3. Department of EpidemiologyErasmus MCUniversity Medical CenterRotterdamthe Netherlands
4. Department of Medical Microbiology and Infectious DiseasesErasmus MCUniversity Medical CenterRotterdamthe Netherlands
5. Department of Internal MedicineErasmus MCUniversity Medical CenterRotterdamthe Netherlands